What other idioms and stories are there to serve the motherland and practice hard?

Study hard and train hard

Concentrate, forget all about eating and sleeping.

day and night

Cock crow and practice sword-diligence and self-discipline

The suspended beam is biting to the bone (head suspended beam, awl piercing strand)

A hole was drilled in the wall to get light from the neighbor's house.

Endure hardships to achieve some ambition.

The pestle is ground into a needle (as long as you work hard, the pestle is ground into a needle)

Always holding a book in your hand ―― Be a diligent/studious reader.

Study hard

Snow reflection fireflies (snow reflection fireflies, aggregated fireflies, aggregated fireflies, snow reflection fireflies, fireflies)

Reading while herding cattle, the cattle have their own books hanging on their horns.

Making into several pieces, salting, and salting into pieces.

drive a vehicle at night

Where there is a will, there is a way.

Hard work will pay off.

Practice for three days in winter and three days in summer.

Hands never leave, mouth never leaves.

Take it one step further.

Finally, send master Pu Songling's self-encouragement couplet:

Where there is a will, there is a way. If you burn your bridges, you will end up in Chu.

Hard-working people live up to expectations, and 3 thousand armor can swallow Wu.